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All results from a given calculation for CH3OCH2 (methoxymethyl radical)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 2A
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-151.499047
Energy at 298.15K-151.504077
HF Energy-151.499047
Nuclear repulsion energy76.430382
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3761 3071 2.25      
2 A 3722 3039 0.74      
3 A 3691 3014 5.98      
4 A 3579 2922 2.91      
5 A 3524 2877 5.92      
6 A 1817 1483 4.49      
7 A 1803 1473 2.80      
8 A 1769 1444 0.59      
9 A 1724 1408 46.33      
10 A 1456 1189 49.25      
11 A 1428 1166 9.55      
12 A 1310 1070 4.92      
13 A 1260 1029 4.19      
14 A 1136 927 3.76      
15 A 894 730 5.64      
16 A 503 411 1.74      
17 A 281 230 6.01      
18 A 199 162 1.06      

Unscaled Zero Point Vibrational Energy (zpe) 16928.3 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 13822.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/STO-3G
ABC
1.46831 0.35454 0.30489

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.084 -0.575 -0.063
C2 -1.133 0.182 0.024
C3 1.201 0.246 0.094
H4 -1.959 -0.508 -0.156
H5 -1.265 0.634 1.012
H6 -1.172 0.977 -0.728
H7 2.137 -0.304 0.038
H8 1.179 1.234 -0.367

Atom - Atom Distances (Å)
  O1 C2 C3 H4 H5 H6 H7 H8
O11.43621.39552.04612.10652.10442.07392.1361
C21.43622.33611.09151.09431.09443.30652.5693
C31.39552.33613.25842.65992.61511.08741.0898
H42.04611.09153.25841.77481.77584.10613.5948
H52.10651.09432.65991.77481.77513.66122.8688
H62.10441.09442.61511.77581.77513.63022.3916
H72.07393.30651.08744.10613.66123.63021.8568
H82.13612.56931.08983.59482.86882.39161.8568

picture of methoxymethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 H4 107.301 O1 C2 H5 111.997
O1 C2 H6 111.816 O1 C3 H7 112.694
O1 C3 H8 118.000 C2 O1 C3 111.163
H4 C2 H5 108.578 H4 C2 H6 108.657
H5 C2 H6 108.393 H7 C3 H8 117.045
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.234      
2 C -0.061      
3 C -0.007      
4 H 0.074      
5 H 0.064      
6 H 0.061      
7 H 0.057      
8 H 0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.390 1.161 -0.094 1.229
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.098 -0.063 -0.295
y -0.063 -18.501 -0.296
z -0.295 -0.296 -18.106
Traceless
 xyz
x 2.206 -0.063 -0.295
y -0.063 -1.399 -0.296
z -0.295 -0.296 -0.807
Polar
3z2-r2-1.613
x2-y22.403
xy-0.063
xz-0.295
yz-0.296


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.738 0.050 0.045
y 0.050 1.694 -0.089
z 0.045 -0.089 1.157


<r2> (average value of r2) Å2
<r2> 48.398
(<r2>)1/2 6.957